Ended up using sql lite to open up the .lrcat file: Ran this query to fix the issue:
update AgLibraryFile
set basename = substr(basename, 0, length(basename) -1),
idx_filename = substr(basename, 0, length(basename) -1) || '.' || extension,
lc_idx_filename = substr(basename, 0, length(basename) -1) || '.' || extension,
originalFileName = substr(basename, 0, length(basename) -1) || '.' || extension
WHERE basename like '%-2'